struct connected *
connected_add_by_prefix (struct interface *ifp, struct prefix *p,
struct prefix *destination)
{
struct connected *ifc;
/* Allocate new connected address. */
ifc = connected_new ();
ifc->ifp = ifp;
/* Fetch interface address */
ifc->address = prefix_new();
memcpy (ifc->address, p, sizeof(struct prefix));
/* Fetch dest address */
if (destination)
{
ifc->destination = prefix_new();
memcpy (ifc->destination, destination, sizeof(struct prefix));
}
/* Add connected address to the interface. */
listnode_add (ifp->connected, ifc);
return ifc;
}
/* Add connected IPv6 route to the interface. */
void
connected_add_ipv6 (struct interface *ifp, int flags, struct in6_addr *addr,
u_char prefixlen, struct in6_addr *broad,
const char *label)
{
struct prefix_ipv6 *p;
struct connected *ifc;
/* Make connected structure. */
ifc = connected_new ();
ifc->ifp = ifp;
ifc->flags = flags;
/* If we get a notification from the kernel,
* we can safely assume the address is known to the kernel */
SET_FLAG(ifc->conf, ZEBRA_IFC_QUEUED);
/* Allocate new connected address. */
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, addr);
p->prefixlen = prefixlen;
ifc->address = (struct prefix *) p;
/* If there is broadcast or peer address. */
if (broad)
{
if (IN6_IS_ADDR_UNSPECIFIED(broad))
zlog_warn("warning: %s called for interface %s with unspecified "
"destination address; ignoring!", __func__, ifp->name);
else
{
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, broad);
p->prefixlen = prefixlen;
ifc->destination = (struct prefix *) p;
}
}
if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER) && !ifc->destination)
{
zlog_warn("warning: %s called for interface %s "
"with peer flag set, but no peer address supplied",
__func__, ifp->name);
UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER);
}
/* Label of this address. */
if (label)
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
/* On Linux, we only get here when DAD is complete, therefore we can set
* ZEBRA_IFC_REAL.
*
* On BSD, there currently doesn't seem to be a way to check for completion of
* DAD, so we replicate the old behaviour and set ZEBRA_IFC_REAL, although DAD
* might still be running.
*/
SET_FLAG(ifc->conf, ZEBRA_IFC_REAL);
connected_update(ifp, ifc);
}
/* Add connected IPv6 route to the interface. */
void
connected_add_ipv6 (struct interface *ifp, int flags, struct in6_addr *addr,
u_char prefixlen, struct in6_addr *broad,
const char *label)
{
struct prefix_ipv6 *p;
struct connected *ifc;
/* Make connected structure. */
ifc = connected_new ();
ifc->ifp = ifp;
ifc->flags = flags;
/* Allocate new connected address. */
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, addr);
p->prefixlen = prefixlen;
ifc->address = (struct prefix *) p;
/* If there is broadcast or peer address. */
if (broad)
{
if (IN6_IS_ADDR_UNSPECIFIED(broad))
zlog_warn("warning: %s called for interface %s with unspecified "
"destination address; ignoring!", __func__, ifp->name);
else
{
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, broad);
p->prefixlen = prefixlen;
ifc->destination = (struct prefix *) p;
}
}
if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER) && !ifc->destination)
{
zlog_warn("warning: %s called for interface %s "
"with peer flag set, but no peer address supplied",
__func__, ifp->name);
UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER);
}
/* Label of this address. */
if (label)
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
if ((ifc = connected_implicit_withdraw (ifp, ifc)) == NULL)
return;
connected_announce (ifp, ifc);
}
/* Add connected IPv6 route to the interface. */
void
connected_add_ipv6 (struct interface *ifp, struct in6_addr *addr,
u_char prefixlen, struct in6_addr *broad,
const char *label)
{
struct prefix_ipv6 *p;
struct connected *ifc;
/* Make connected structure. */
ifc = connected_new ();
ifc->ifp = ifp;
/* Allocate new connected address. */
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, addr);
p->prefixlen = prefixlen;
ifc->address = (struct prefix *) p;
/* If there is broadcast or pointopoint address. */
if (broad)
{
p = prefix_ipv6_new ();
p->family = AF_INET6;
IPV6_ADDR_COPY (&p->prefix, broad);
ifc->destination = (struct prefix *) p;
}
/* Label of this address. */
if (label)
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
if ((ifc = connected_implicit_withdraw (ifp, ifc)) == NULL)
return;
connected_announce (ifp, ifc);
}
/* Add connected IPv4 route to the interface. */
void
connected_add_ipv4(struct interface *ifp, int flags, struct in_addr *addr,
u_char prefixlen, struct in_addr *broad, const char *label)
{
struct prefix_ipv4 *p;
struct connected *ifc;
/* Make connected structure. */
ifc = connected_new();
ifc->ifp = ifp;
ifc->flags = flags;
/* If we get a notification from the kernel,
* we can safely assume the address is known to the kernel */
SET_FLAG(ifc->conf, ZEBRA_IFC_QUEUED);
/* Allocate new connected address. */
p = prefix_ipv4_new();
p->family = AF_INET;
p->prefix = *addr;
p->prefixlen = prefixlen;
ifc->address = (struct prefix *)p;
/* If there is broadcast or peer address. */
if (broad) {
p = prefix_ipv4_new();
p->family = AF_INET;
p->prefix = *broad;
p->prefixlen = prefixlen;
ifc->destination = (struct prefix *)p;
/* validate the destination address */
if (CONNECTED_PEER(ifc)) {
if (IPV4_ADDR_SAME(addr, broad))
zlog_warn
("warning: interface %s has same local and peer "
"address %s, routing protocols may malfunction",
ifp->name, inet_ntoa(*addr));
} else {
if (broad->s_addr !=
ipv4_broadcast_addr(addr->s_addr, prefixlen)) {
char buf[2][INET_ADDRSTRLEN];
struct in_addr bcalc;
bcalc.s_addr =
ipv4_broadcast_addr(addr->s_addr,
prefixlen);
zlog_warn
("warning: interface %s broadcast addr %s/%d != "
"calculated %s, routing protocols may malfunction",
ifp->name, inet_ntop(AF_INET, broad,
buf[0],
sizeof(buf[0])),
prefixlen, inet_ntop(AF_INET, &bcalc,
buf[1],
sizeof(buf[1])));
}
}
} else {
if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER)) {
zlog_warn("warning: %s called for interface %s "
"with peer flag set, but no peer address supplied",
__func__, ifp->name);
UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER);
}
/* no broadcast or destination address was supplied */
if ((prefixlen == IPV4_MAX_PREFIXLEN) && if_is_pointopoint(ifp))
zlog_warn
("warning: PtP interface %s with addr %s/%d needs a "
"peer address", ifp->name, inet_ntoa(*addr),
prefixlen);
}
/* Label of this address. */
if (label)
ifc->label = XSTRDUP(MTYPE_CONNECTED_LABEL, label);
/* For all that I know an IPv4 address is always ready when we receive
* the notification. So it should be safe to set the REAL flag here. */
SET_FLAG(ifc->conf, ZEBRA_IFC_REAL);
connected_update(ifp, ifc);
}
struct ospf_interface *
ospf_vl_new (struct ospf *ospf, struct ospf_vl_data *vl_data)
{
struct ospf_interface * voi;
struct interface * vi;
char ifname[INTERFACE_NAMSIZ + 1];
struct ospf_area *area;
struct in_addr area_id;
struct connected *co;
struct prefix_ipv4 *p;
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Start");
if (vlink_count == OSPF_VL_MAX_COUNT)
{
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Alarm: "
"cannot create more than OSPF_MAX_VL_COUNT virtual links");
return NULL;
}
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): creating pseudo zebra interface");
snprintf (ifname, sizeof(ifname), "VLINK%d", vlink_count);
vi = if_create (ifname, strnlen(ifname, sizeof(ifname)));
co = connected_new ();
co->ifp = vi;
listnode_add (vi->connected, co);
p = prefix_ipv4_new ();
p->family = AF_INET;
p->prefix.s_addr = 0;
p->prefixlen = 0;
co->address = (struct prefix *)p;
voi = ospf_if_new (ospf, vi, co->address);
if (voi == NULL)
{
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Alarm: OSPF int structure is not created");
return NULL;
}
voi->connected = co;
voi->vl_data = vl_data;
voi->ifp->mtu = OSPF_VL_MTU;
voi->type = OSPF_IFTYPE_VIRTUALLINK;
vlink_count++;
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Created name: %s", ifname);
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): set if->name to %s", vi->name);
area_id.s_addr = 0;
area = ospf_area_get (ospf, area_id, OSPF_AREA_ID_FORMAT_ADDRESS);
voi->area = area;
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): set associated area to the backbone");
ospf_nbr_add_self (voi);
ospf_area_add_if (voi->area, voi);
ospf_if_stream_set (voi);
if (IS_DEBUG_OSPF_EVENT)
zlog_debug ("ospf_vl_new(): Stop");
return voi;
}
/* Add connected IPv4 route to the interface. */
void
connected_add_ipv4 (struct interface *ifp, int flags, struct in_addr *addr,
u_char prefixlen, struct in_addr *broad,
const char *label)
{
struct prefix_ipv4 *p;
struct connected *ifc;
/* Make connected structure. */
ifc = connected_new ();
ifc->ifp = ifp;
ifc->flags = flags;
/* Allocate new connected address. */
p = prefix_ipv4_new ();
p->family = AF_INET;
p->prefix = *addr;
p->prefixlen = prefixlen;
ifc->address = (struct prefix *) p;
/* If there is broadcast or peer address. */
if (broad)
{
p = prefix_ipv4_new ();
p->family = AF_INET;
p->prefix = *broad;
p->prefixlen = prefixlen;
ifc->destination = (struct prefix *) p;
/* validate the destination address */
if (CONNECTED_PEER(ifc))
{
if (IPV4_ADDR_SAME(addr,broad))
zlog_warn("warning: interface %s has same local and peer "
"address %s, routing protocols may malfunction",
ifp->name,inet_ntoa(*addr));
}
else
{
if (broad->s_addr != ipv4_broadcast_addr(addr->s_addr,prefixlen))
{
char buf[2][INET_ADDRSTRLEN];
struct in_addr bcalc;
bcalc.s_addr = ipv4_broadcast_addr(addr->s_addr,prefixlen);
zlog_warn("warning: interface %s broadcast addr %s/%d != "
"calculated %s, routing protocols may malfunction",
ifp->name,
inet_ntop (AF_INET, broad, buf[0], sizeof(buf[0])),
prefixlen,
inet_ntop (AF_INET, &bcalc, buf[1], sizeof(buf[1])));
}
}
}
else
{
if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER))
{
zlog_warn("warning: %s called for interface %s "
"with peer flag set, but no peer address supplied",
__func__, ifp->name);
UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER);
}
/* no broadcast or destination address was supplied */
if ((prefixlen == IPV4_MAX_PREFIXLEN) && if_is_pointopoint(ifp))
zlog_warn("warning: PtP interface %s with addr %s/%d needs a "
"peer address",ifp->name,inet_ntoa(*addr),prefixlen);
}
/* Label of this address. */
if (label)
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
/* nothing to do? */
if ((ifc = connected_implicit_withdraw (ifp, ifc)) == NULL)
return;
connected_announce (ifp, ifc);
}
/* Add connected IPv4 route to the interface. */
void
connected_add_ipv4 (struct interface *ifp, int flags, struct in_addr *addr,
u_char prefixlen, struct in_addr *broad,
const char *label)
{
struct prefix_ipv4 *p;
struct connected *ifc;
/* Make connected structure. */
ifc = connected_new ();
ifc->ifp = ifp;
ifc->flags = flags;
/* Allocate new connected address. */
p = prefix_ipv4_new ();
p->family = AF_INET;
p->prefix = *addr;
p->prefixlen = prefixlen;
ifc->address = (struct prefix *) p;
/* If there is broadcast or pointopoint address. */
if (broad)
{
p = prefix_ipv4_new ();
p->family = AF_INET;
p->prefix = *broad;
ifc->destination = (struct prefix *) p;
/* validate the destination address */
if (ifp->flags & IFF_POINTOPOINT)
{
if (IPV4_ADDR_SAME(addr,broad))
zlog_warn("warning: PtP interface %s has same local and peer "
"address %s, routing protocols may malfunction",
ifp->name,inet_ntoa(*addr));
else if ((prefixlen != IPV4_MAX_PREFIXLEN) &&
(ipv4_network_addr(addr->s_addr,prefixlen) !=
ipv4_network_addr(broad->s_addr,prefixlen)))
{
char buf[2][INET_ADDRSTRLEN];
zlog_warn("warning: PtP interface %s network mismatch: local "
"%s/%d vs. peer %s, routing protocols may malfunction",
ifp->name,
inet_ntop (AF_INET, addr, buf[0], sizeof(buf[0])),
prefixlen,
inet_ntop (AF_INET, broad, buf[1], sizeof(buf[1])));
}
}
else
{
if (broad->s_addr != ipv4_broadcast_addr(addr->s_addr,prefixlen))
{
char buf[2][INET_ADDRSTRLEN];
struct in_addr bcalc;
bcalc.s_addr = ipv4_broadcast_addr(addr->s_addr,prefixlen);
zlog_warn("warning: interface %s broadcast addr %s/%d != "
"calculated %s, routing protocols may malfunction",
ifp->name,
inet_ntop (AF_INET, broad, buf[0], sizeof(buf[0])),
prefixlen,
inet_ntop (AF_INET, &bcalc, buf[1], sizeof(buf[1])));
}
/*gjd : for Rtsuit restart , ip address write show running.*/
if(!CHECK_FLAG(ifc->ip_config,RTMD_RESTART_IP_CONFIG)&&(keep_kernel_mode == 1))
{
SET_FLAG(ifc->ip_config,RTMD_RESTART_IP_CONFIG);
/*zlog_err("%s : line %d ifc->conf(%u), ifc->ipconfig(%u).\n",
__func__,__LINE__,ifc->conf,ifc->ip_config);*/
}
}
}
else
/* no broadcast or destination address was supplied */
if ((prefixlen == IPV4_MAX_PREFIXLEN) && if_is_pointopoint(ifp))
zlog_warn("warning: PtP interface %s with addr %s/%d needs a "
"peer address",ifp->name,inet_ntoa(*addr),prefixlen);
/* Label of this address. */
if (label)
ifc->label = XSTRDUP (MTYPE_CONNECTED_LABEL, label);
/* nothing to do? */
if ((ifc = connected_implicit_withdraw (ifp, ifc)) == NULL)
return;
connected_announce (ifp, ifc);
}